html,
body {
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  background-color: #f6f6f6;
  height: 100vh;
  width: 100vw;
  background-image: url("../china.jpg");
  background-size: cover;
  background-position: center;
}
.layui-tab-brief > .layui-tab-title .layui-this {
  color: #152584;
}
.layui-tab-brief > .layui-tab-title .layui-this::after {
  border-color: #152584;
}
.layui-elem-quote {
  border-color: #152584;
}
.board {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-top: 5px solid #152584;
  padding: 20px;
  border-radius: 5px;
  background-color: #fff;
  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.1);
  width: 600px;
}
.board > .board-title {
  text-align: center;
  font-size: 35px;
  font-weight: lighter;
}
.board > .board-content {
  padding: 15px 0px;
}
.layui-form .layui-form-label {
  width: 100px;
}
.layui-form .layui-input-block {
  margin-left: 130px;
}
